Finding the Fourth Proportional to 1,987.93, 2,743.25 and 1,103.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,987.93 : 2,743.25 = 1,103.73 : x
2. Step 2: Convert to fraction form
   1,987.93/2,743.25 = 1,103.73/x
3. Step 3: Cross multiply
   1,987.93x = 2,743.25 × 1,103.73
4. Step 4: Simplify right side
   1,987.93x = 3,027,807.32
5. Step 5: Solve for x
   x = 3,027,807.32/1,987.93
6. Step 6: Final answer
   x = 1,523.10